diff --git a/pyproject.toml b/pyproject.toml
index dc66e364..8c0c2c15 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -53,7 +53,7 @@ dependencies = [
         "pyramid_mako",
         "pyramid_retry",
         "pyramid_tm",
-        "rattail[db,bouncer]>=0.18.5",
+        "rattail[db,bouncer]>=0.21.1",
         "sa-filters",
         "simplejson",
         "transaction",